About Sabanilla, Alajuela Province's Climate & Weather History

With a population of around 1,000, Sabanilla sits in Alajuela Province, Costa Rica. The city operates in the America/Costa Rica time zone.

In 2025, Sabanilla recorded an average annual temperature of 66°F. The hottest temperatures reached 83°F in March; the coolest were 52°F in February. Total precipitation for the year was 113 inches, with the wettest month being October.